22 citations · 47 across the 12 of their papers we have counts for
12 papers
Spin-down of the accreting magnetar candidate 4U 0114+65: possible first evidence for a strong coupling regime
Graciela Sanjurjo-Ferrín, Jose Miguel Torrejón, Konstantin Postnov +3
4U~0114+65 is a high-mass X-ray binary composed of the B1\,Ia supergiant V*~V662~Cas and one of the slowest known accreting neutron stars, with a spin period of 9.4 ks. In 20…
Blind Line Search System: BLiSS
Luis Abalo, Graciela Sanjurjo-Ferrín, Jessica Planelles-Villalva +2
The increasing sensitivity and spectral resolution of current and forthcoming X-ray observatories, including \textit{XRISM} and \textit{NewAthena}, are expected to reveal increasin…
High-resolution X-ray spectroscopy of Cen X-3 with XMM-Newton
J. J. Rodes-Roca, J. M. Torrejón, G. Sanjurjo-Ferrín +1
The spectral analysis of two XMM-Newton observations of the high-mass X-ray binary system Cen X-3 is presented. In particular, it is focused on the eclipse and out-of-eclipse spect…
Cyclical accretion regime change in the slow X-ray pulsar 4U 0114+65 observed with Chandra
Graciela Sanjurjo-Ferrín, Jose Miguel Torrejón, Konstantin Postnov +5
4U 0114+65 is a high-mass X-ray binary system formed by the luminous supergiant B1Ia, known as V{*} V662 Cas, and one of the slowest rotating neutron stars (NS) with a spin period…
A Time-Dependent Spectral Analysis of Cassiopeiae
Sean J. Gunderson, David P. Huenemoerder, José M. Torrejón +7
We investigated the temporal and spectral features of Cassiopeiae's X-ray emission within the context of the white dwarf accretion hypothesis. We find that the variabilities pr…
GX 301-2 pre-periastron and apastron flares with MAXI
Á. Torregrosa, J. J. Rodes-Roca, J. M. Torrejón +4
The bright high-mass X-ray binary GX 301-2 exhibits two periodic flare episodes along its orbit which are produced when the neutron star is close to the apastron and periastron pas…
Revealing the state transition of Cen X-3 at high spectral resolution with Chandra
Graciela Sanjurjo-Ferrín, Jose Miguel Torrejón, Lida Oskinova +4
Cen X-3 is a compact, high-mass X-ray binary (HMXRB), likely powered by Roche lobe overflow. We present a phase-resolved X-ray spectral and timing analysis of a target of opportuni…
Multi-wavelength spectroscopic analysis of the ULX Holmberg II X-1 and its nebula suggests the presence of a heavy black hole accreting from a B-type donor
S. Reyero Serantes, L. Oskinova, W. -R. Hamann +11
Ultra-luminous X-ray sources (ULXs) are high-mass X-ray binaries with an X-ray luminosity above erg s. These ULXs can be powered by black holes that are more massi…
Phase-resolved spectroscopic analysis of the eclipsing black hole X-ray binary M33 X-7: System properties, accretion, and evolution
V. Ramachandran, L. M. Oskinova, W. -R. Hamann +10
M33 X-7 is the only known eclipsing black hole high mass X-ray binary. The system is reported to contain a very massive O supergiant donor and a massive black hole in a short orbit…
Cen x-3 as seen by MAXI during six years
Á. Torregrosa, J. J. Rodes-Roca, J. M. Torrejón +2
The aim of this work is to study both light curve and orbital phase spectroscopy of this source taking advantage of the MAXI/GSC observation strategy. We have investigated the spec…
The first X-ray spectrum of the HMXB XTE J1855-026 during the compact object eclipse
Graciela Sanjurjo-Ferrín, José Miguel Torrejón, José Joaquín Rodes-Roca
We present the first {\it XMM-Newton} observation of the classical supergiant high-mass X-ray binary XTE J1855026 taken entirely during the eclipse of the neutron star (NS), cov…
Highly structured wind in Vela X-1
I. Kreykenbohm, J. Wilms, P. Kretschmar +6
We present an in-depth analysis of the spectral and temporal behavior of a long almost uninterrupted INTEGRAL observation of Vela X-1 in Nov/Dec 2003. In addition to an already hig…